We check validity by ensuring it's lower than the total number of timers. 0 is a terrible number for the NO_TIMER value because its valid even though it shouldn't be. Fixes https://github.com/adafruit/Adafruit_CircuitPython_SimpleIO/issues/29
We check validity by ensuring it's lower than the total number of timers. 0 is a terrible number for the NO_TIMER value because its valid even though it shouldn't be. Fixes https://github.com/adafruit/Adafruit_CircuitPython_SimpleIO/issues/29